I know that some of these gadgets exist to do one thing and that is get your credit card Number. Years ago I ordered something from one of the "as seen on TV" type things. Within a month I found that I had been signed up for some service that I did not authorize or want. The credit card statement had their phone number on it so after months of threatening I finally got this service removed. In the mean time I was charged for 3 months of a servive I never authorized or wanted. They said that I had authorized this when ordering my
As seen of TV thing a ma bob. If you will notice they are not interested in cash or checks, just your credit card. I haven't ordered from TV ads since.
“You live and you learn, but if you never learn, at least you are still living.”